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| author | Howard Chu <hyc@openldap.org> | 2016-06-02 21:01:27 +0100 |
|---|---|---|
| committer | Howard Chu <hyc@symas.com> | 2017-10-10 19:04:11 +0100 |
| commit | 0aa4cc8028f915c070581067b7d3659a691fff1e (patch) | |
| tree | 8228fd654f231342e1968ff02e9db6ce8aeb80ec | |
| parent | Merge pull request #2548 (diff) | |
| download | monero-0aa4cc8028f915c070581067b7d3659a691fff1e.tar.xz | |
ITS#8339 Solaris 10/11 robust mutex fixes
Check for PTHREAD_MUTEX_ROBUST_NP definition (this doesn't work
on Linux/glibc because they used an enum). Zero out mutex before
initing.
| -rw-r--r-- | external/db_drivers/liblmdb/mdb.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/external/db_drivers/liblmdb/mdb.c b/external/db_drivers/liblmdb/mdb.c index b3de9702f..87b244ce7 100644 --- a/external/db_drivers/liblmdb/mdb.c +++ b/external/db_drivers/liblmdb/mdb.c @@ -304,7 +304,8 @@ union semun { # else # define MDB_USE_ROBUST 1 /* glibc < 2.12 only provided _np API */ -# if defined(__GLIBC__) && GLIBC_VER < 0x02000c +# if (defined(__GLIBC__) && GLIBC_VER < 0x02000c) || \ + (defined(PTHREAD_MUTEX_ROBUST_NP) && !defined(PTHREAD_MUTEX_ROBUST)) # define PTHREAD_MUTEX_ROBUST PTHREAD_MUTEX_ROBUST_NP # define pthread_mutexattr_setrobust(attr, flag) pthread_mutexattr_setrobust_np(attr, flag) # define pthread_mutex_consistent(mutex) pthread_mutex_consistent_np(mutex) @@ -4977,6 +4978,13 @@ mdb_env_setup_locks(MDB_env *env, char *lpath, int mode, int *excl) #else /* MDB_USE_POSIX_MUTEX: */ pthread_mutexattr_t mattr; + /* Solaris needs this before initing a robust mutex. Otherwise + * it may skip the init and return EBUSY "seems someone already + * inited" or EINVAL "it was inited differently". + */ + memset(env->me_txns->mti_rmutex, 0, sizeof(*env->me_txns->mti_rmutex)); + memset(env->me_txns->mti_wmutex, 0, sizeof(*env->me_txns->mti_wmutex)); + if ((rc = pthread_mutexattr_init(&mattr)) || (rc = pthread_mutexattr_setpshared(&mattr, PTHREAD_PROCESS_SHARED)) #ifdef MDB_ROBUST_SUPPORTED |